The 5-Second Trick For pagar brc surabaya
As proven in the determine, tightening the bolt leads to a wedge staying driven up in opposition to a sleeve, which expands it and brings about it to compress in opposition to the material it can be staying fastened to.Angkur bounding bekerja dengan cara mengikat bolt dengan media aplikasi. Simplifikasi dari angkur ini adalah seperti lem pada umumn